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  • Single chip Schottky rectifiers suited to switched mode power supplies and high frequency DC to DC converters.

    Packaged in SMA, SMA Flat Notch, SMB and SOD123Flat, the STPS1L40 is ideal for use in surface mounting and used in low voltage, high frequency inverters, free-wheeling and polarity protection applications.

    Key Features

    • Very small conduction losses
    • Negligible switching losses
    • Low forward voltage drop
    • Surface mount miniature packages
    • Avalanche rated
    • ECOPACK2 compliant

Recommended for you

Mobile Applications

    • Part Number

      Diode product finder application for Android and iOS

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS1244
      40 V, 1 A low drop power Schottky rectifier
      9.0
      394.8 KB
      PDF
      DS1244

      40 V, 1 A low drop power Schottky rectifier

    • Description Version Size Action
      AN1768
      ADMISSIBLE AVALANCHE POWER OF SCHOTTKY DIODES
      1.1
      46.82 KB
      PDF
      AN2025
      CONVERTER IMPROVEMENT USING SCHOTTKY RECTIFIER AVALANCHE SPECIFICATION
      1.1
      147.59 KB
      PDF
      AN604
      Calculation of conduction losses in a power rectifier
      3.2
      137.74 KB
      PDF
      AN4021
      Calculation of reverse losses in a power diode
      1.0
      120.47 KB
      PDF
      AN3432
      How to choose a bypass diode for silicon panel junction box
      1.0
      290.27 KB
      PDF
      AN836
      LOW FORWARD VOLTAGE SCHOTTKY DIODE
      2.1
      51.89 KB
      PDF
      AN1453
      NEW FAMILY OF 150V POWER SCHOTTKY
      1.1
      131.48 KB
      PDF
      AN5046
      Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages
      4.0
      4.82 MB
      PDF
      AN3361
      Schottky diode avalanche performance in automotive applications
      1.0
      136.54 KB
      PDF
      AN1542
      THE THERMAL RUNAWAY LAW IN SCHOTTKY USED IN OR-ING APPLICATION
      1.1
      57.47 KB
      PDF
      AN869
      Tj max limit of Schottky diodes
      2.2
      60.9 KB
      PDF
      AN1768

      ADMISSIBLE AVALANCHE POWER OF SCHOTTKY DIODES

      AN2025

      CONVERTER IMPROVEMENT USING SCHOTTKY RECTIFIER AVALANCHE SPECIFICATION

      AN604

      Calculation of conduction losses in a power rectifier

      AN4021

      Calculation of reverse losses in a power diode

      AN3432

      How to choose a bypass diode for silicon panel junction box

      AN836

      LOW FORWARD VOLTAGE SCHOTTKY DIODE

      AN1453

      NEW FAMILY OF 150V POWER SCHOTTKY

      AN5046

      Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages

      AN3361

      Schottky diode avalanche performance in automotive applications

      AN1542

      THE THERMAL RUNAWAY LAW IN SCHOTTKY USED IN OR-ING APPLICATION

      AN869

      Tj max limit of Schottky diodes

    • Description Version Size Action
      TN1173
      Packing information for IPAD, protection, rectifiers, thyristors and AC Switches
      7.0
      433.12 KB
      PDF
      TN1173

      Packing information for IPAD, protection, rectifiers, thyristors and AC Switches

HW Model, CAD Libraries & SVD

    • Description Version Size Action
      Power Schottky diode PSpice models (.lib & .olb) 7.0
      188.67 KB
      ZIP

      Power Schottky diode PSpice models (.lib & .olb)

Publications and Collaterals

    • Description Version Size Action
      Field-Effect Rectifier Diodes Advantageously replace Schottky (60V and 100V) 1.0
      1.29 MB
      PDF
      PSMC flat package Schottky and Ultrafast rectifiers 1.0
      1.47 MB
      PDF
      SMA Flat and SMB Flat Diodes Powerful rectifiers packed in 1mm-thick packages 1.0
      848.27 KB
      PDF
      SOD123Flat power Schottky diodes for improved cost and space-savings 1.0
      2.03 MB
      PDF
      SOD128Flat power Schottky diodes for improved cost and space-savings 1.0
      2.18 MB
      PDF
      ST Diodes Finder : the new app for Android and iOS 2.0
      1.46 MB
      PDF

      Field-Effect Rectifier Diodes Advantageously replace Schottky (60V and 100V)

      PSMC flat package Schottky and Ultrafast rectifiers

      SMA Flat and SMB Flat Diodes Powerful rectifiers packed in 1mm-thick packages

      SOD123Flat power Schottky diodes for improved cost and space-savings

      SOD128Flat power Schottky diodes for improved cost and space-savings

      ST Diodes Finder : the new app for Android and iOS

    • Description Version Size Action
      Diodes and rectifiers selection guide 2.0
      815.09 KB
      PDF

      Diodes and rectifiers selection guide

    • Description Version Size Action
      Electric vehicle (EV) ecosystem 1.1
      1.28 MB
      PDF
      IPAD(TM) - protection and rectifiers for Computer & Peripherals applications 2.0
      1.42 MB
      PDF
      Products and solutions for solar energy 1.0
      1.29 MB
      PDF

      Electric vehicle (EV) ecosystem

      IPAD(TM) - protection and rectifiers for Computer & Peripherals applications

      Products and solutions for solar energy

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
STPS1L40A
Active
SMA Industrial Ecopack2
STPS1L40AFN
Active
SMA Flat Industrial Ecopack2
STPS1L40U
Active
SMB Industrial Ecopack2
STPS1L40ZF
Active
SOD123Flat Industrial Ecopack2

STPS1L40A

Package:

SMA

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SMA

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STPS1L40AFN

Package:

SMA Flat

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SMA Flat

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STPS1L40U

Package:

SMB

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SMB

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STPS1L40ZF

Package:

SOD123Flat

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOD123Flat

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

Part Number
Order from Distributors
Order from ST
Marketing Status
Package
Packing Type
Junction Temperature (°C) (max)
ECCN (US)
Country of Origin
Budgetary Price (US$)*/Qty
STPS1L40AFN Available at 3 distributors

Distributor availability ofSTPS1L40AFN

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 10000 1 Order Now
MOUSER WORLDWIDE 9869 1 Order Now
Farnell Element14 EUROPE 100 1 Order Now

Distributor reported inventory date: 2020-06-28

Distributor Name

DIGIKEY

Stock

10000

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

9869

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

100

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-06-28

Get sample
Active
SMA Flat Tape And Reel 175 EAR99 MOROCCO 0.054 / 1k
STPS1L40ZF Available at 6 distributors

Distributor availability ofSTPS1L40ZF

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 3217 1 Order Now
RS COMPONENTS EUROPE 3700 1 Order Now
AVNET AMERICA 3000 0 Order Now
ARROW EUROPE 1170 0 Order Now
MOUSER WORLDWIDE 46255 1 Order Now
Farnell Element14 EUROPE 387 1 Order Now

Distributor reported inventory date: 2020-06-28

Distributor Name

DIGIKEY

Stock

3217

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

3700

Min.Order

1

Region

EUROPE Order Now

AVNET

Stock

3000

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

1170

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

46255

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

387

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-06-28

Get sample
Active
SOD123Flat Tape And Reel 175 EAR99 MALAYSIA 0.052 / 1k
STPS1L40A Available at 11 distributors

Distributor availability ofSTPS1L40A

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 10501 1 Order Now
COMPEL EUROPE 28037 1 Order Now
RS COMPONENTS EUROPE 6160 20 Order Now
AVNET AMERICA 35000 0 Order Now
ARROW EUROPE 92730 0 Order Now
Newark Element14 AMERICA 33 0 Order Now
ARROW AMERICA 5079 1 Order Now
P&S ASIA/PACIFIC 30 1 Order Now
MOUSER WORLDWIDE 9143 1 Order Now
Farnell Element14 EUROPE 3051 1 Order Now
ANGLIA Live EUROPE 9000 100 Order Now

Distributor reported inventory date: 2020-06-28

Distributor Name

DIGIKEY

Stock

10501

Min.Order

1

Region

WORLDWIDE Order Now

COMPEL

Stock

28037

Min.Order

1

Region

EUROPE Order Now

RS COMPONENTS

Stock

6160

Min.Order

20

Region

EUROPE Order Now

AVNET

Stock

35000

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

92730

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

33

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

5079

Min.Order

1

Region

AMERICA Order Now

P&S

Stock

30

Min.Order

1

Region

ASIA/PACIFIC Order Now

MOUSER

Stock

9143

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

3051

Min.Order

1

Region

EUROPE Order Now

ANGLIA Live

Stock

9000

Min.Order

100

Region

EUROPE Order Now

Distributor reported inventory date: 2020-06-28

Get sample
Active
SMA Tape And Reel 175 EAR99 CHINA 0.054 / 1k
STPS1L40U Available at 5 distributors

Distributor availability ofSTPS1L40U

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 9359 1 Order Now
RS COMPONENTS EUROPE 16470 10 Order Now
AVNET AMERICA 442500 0 Order Now
ARROW EUROPE 120000 0 Order Now
Farnell Element14 EUROPE 940 1 Order Now

Distributor reported inventory date: 2020-06-28

Distributor Name

DIGIKEY

Stock

9359

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

16470

Min.Order

10

Region

EUROPE Order Now

AVNET

Stock

442500

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

120000

Min.Order

0

Region

EUROPE Order Now

Farnell Element14

Stock

940

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-06-28

Get sample
Active
SMB Tape And Reel 175 EAR99 CHINA 0.058 / 1k

STPS1L40AFN

Marketing Status

Active

Unit Price (US$)

0.054

Budgetary Price (US$)*/Qty

0.054 / 1k

Distributor availability ofSTPS1L40AFN

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 10000 1 Order Now
MOUSER WORLDWIDE 9869 1 Order Now
Farnell Element14 EUROPE 100 1 Order Now

Distributor reported inventory date: 2020-06-28

Distributor Name

DIGIKEY

Stock

10000

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

9869

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

100

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-06-28

Package

SMA Flat

Packing Type

Tape And Reel

Junction Temperature (°C) (max)

175

ECCN (US)

EAR99

Country of Origin

MOROCCO

STPS1L40ZF

Marketing Status

Active

Unit Price (US$)

0.052

Budgetary Price (US$)*/Qty

0.052 / 1k

Distributor availability ofSTPS1L40ZF

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 3217 1 Order Now
RS COMPONENTS EUROPE 3700 1 Order Now
AVNET AMERICA 3000 0 Order Now
ARROW EUROPE 1170 0 Order Now
MOUSER WORLDWIDE 46255 1 Order Now
Farnell Element14 EUROPE 387 1 Order Now

Distributor reported inventory date: 2020-06-28

Distributor Name

DIGIKEY

Stock

3217

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

3700

Min.Order

1

Region

EUROPE Order Now

AVNET

Stock

3000

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

1170

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

46255

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

387

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-06-28

Package

SOD123Flat

Packing Type

Tape And Reel

Junction Temperature (°C) (max)

175

ECCN (US)

EAR99

Country of Origin

MALAYSIA

STPS1L40A

Marketing Status

Active

Unit Price (US$)

0.054

Budgetary Price (US$)*/Qty

0.054 / 1k

Distributor availability ofSTPS1L40A

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 10501 1 Order Now
COMPEL EUROPE 28037 1 Order Now
RS COMPONENTS EUROPE 6160 20 Order Now
AVNET AMERICA 35000 0 Order Now
ARROW EUROPE 92730 0 Order Now
Newark Element14 AMERICA 33 0 Order Now
ARROW AMERICA 5079 1 Order Now
P&S ASIA/PACIFIC 30 1 Order Now
MOUSER WORLDWIDE 9143 1 Order Now
Farnell Element14 EUROPE 3051 1 Order Now
ANGLIA Live EUROPE 9000 100 Order Now

Distributor reported inventory date: 2020-06-28

Distributor Name

DIGIKEY

Stock

10501

Min.Order

1

Region

WORLDWIDE Order Now

COMPEL

Stock

28037

Min.Order

1

Region

EUROPE Order Now

RS COMPONENTS

Stock

6160

Min.Order

20

Region

EUROPE Order Now

AVNET

Stock

35000

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

92730

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

33

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

5079

Min.Order

1

Region

AMERICA Order Now

P&S

Stock

30

Min.Order

1

Region

ASIA/PACIFIC Order Now

MOUSER

Stock

9143

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

3051

Min.Order

1

Region

EUROPE Order Now

ANGLIA Live

Stock

9000

Min.Order

100

Region

EUROPE Order Now

Distributor reported inventory date: 2020-06-28

Package

SMA

Packing Type

Tape And Reel

Junction Temperature (°C) (max)

175

ECCN (US)

EAR99

Country of Origin

CHINA

STPS1L40U

Marketing Status

Active

Unit Price (US$)

0.058

Budgetary Price (US$)*/Qty

0.058 / 1k

Distributor availability ofSTPS1L40U

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 9359 1 Order Now
RS COMPONENTS EUROPE 16470 10 Order Now
AVNET AMERICA 442500 0 Order Now
ARROW EUROPE 120000 0 Order Now
Farnell Element14 EUROPE 940 1 Order Now

Distributor reported inventory date: 2020-06-28

Distributor Name

DIGIKEY

Stock

9359

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

16470

Min.Order

10

Region

EUROPE Order Now

AVNET

Stock

442500

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

120000

Min.Order

0

Region

EUROPE Order Now

Farnell Element14

Stock

940

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-06-28

Package

SMB

Packing Type

Tape And Reel

Junction Temperature (°C) (max)

175

ECCN (US)

EAR99

Country of Origin

CHINA

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors